212302045 has 8 divisors (see below), whose sum is σ = 255276000. Its totient is φ = 169499280.

The previous prime is 212302037. The next prime is 212302049. The reversal of 212302045 is 540203212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212302045 - 2³ = 212302037 is a prime.

It is a super-2 number, since 2×212302045² = 90144316622364050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212302049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40051 + ... + 45040.

It is an arithmetic number, because the mean of its divisors is an integer number (31909500).

Almost surely, 2^212302045 is an apocalyptic number.

It is an amenable number.

212302045 is a deficient number, since it is larger than the sum of its proper divisors (42973955).

212302045 is an equidigital number, since it uses as much as digits as its factorization.

212302045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85595.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 212302045 is about 14570.5883546273. The cubic root of 212302045 is about 596.5562395990.

Adding to 212302045 its reverse (540203212), we get a palindrome (752505257).

The spelling of 212302045 in words is "two hundred twelve million, three hundred two thousand, forty-five".